A study of the effects of running on a random sample of adults found a 95% confidence
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A study of the effects of running on a random sample of adults found a 95% confidence interval for the true mean heart rate to be (68.74, 111.14), using a normal approximation procedure (the Z equation).
a) What is the value of the point estimate (sample mean) for the true mean heart rate of senior citizens?
b) What is the value of the margin of error for the confidence interval that was constructed?
c) If the sample size was 25, what was the population standard deviation?
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a The point estimate sample mean for the true mean heart rate can be found by taking the average of ...View the full answer
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Related Book For 
Principles Of Managerial Statistics And Data Science
ISBN: 9781119486411
1st Edition
Authors: Roberto Rivera
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